Wall Street Crash is the answer I think
Answer:
John Sloan
His art is called Six O'Clock, Winter.
It was created in 1912
Answer: Hostile
Explanation: The Person is Hostile.
Agriculture developed at a sudden / sharp rate, due to the pressure of hunter societies needing to quickly find a new food source, either because the original prey went extinct or because the prey decided to evolve and move to a different location.